TGS, Ohio Ink Deal to Put State's Well Log Data Online


HOUSTON, TX--(Marketwire - June 10, 2009) - The Geological Products and Services division of TGS-NOPEC Geophysical Company (TGS) and the State of Ohio, Department of Natural Resources, Division of Geological Survey have entered into an agreement to make a complete set of well logs from the state available online.

Under the terms of the agreement, TGS will scan, quality control, and catalog the data on behalf of the state. The complete collection of Ohio well logs will be available commercially from LOG-LINE Plus!®, TGS' online collection of more that 5.6 million well logs worldwide.

The project will include an estimated 230,000 logs and will take place over 10-12 months, with data being added to LOG-LINE Plus!® from the project on a weekly basis. The agreement with Ohio follows the recent announcement that TGS is partnering with operators in the eastern United States to add their private collections to LOG-LINE Plus!® and is part of the company's strategy to expand commercial access to data in the region.

TGS-NOPEC Geophysical Company (TGS) is a principal resource for global geoscientific data products and services in the E&P industry. TGS specializes in the design, acquisition and processing of multi-client seismic surveys worldwide and delivers advanced high performance seismic imaging and software solutions. The Company also provides the world's largest online well-log database, well data management services, multi-client interpretive products and subsurface consulting services to industry. The suite of integrated exploration data products available from TGS is distinctive and unmatched. The Company philosophy is to create unique high-quality data collected in the right place at the right time. www.tgsnopec.com

TGS-NOPEC Geophysical Company ASA is listed on the Oslo Stock Exchange (OSLO: TGS).

Contact Information: For more information, contact: Shawn Hanson Well Log Sales Manager +1 (713) 860-2100 John Adamick Senior Vice President, Geological Products and Services +1 (713) 860-2100